Merge tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more perf updates from Thomas Gleixner:
 "Perf updates all over the place:

  core:

   - Support for cgroup tracking in samples to allow cgroup based
     analysis

  tools:

   - Support for cgroup analysis

   - Commandline option and hotkey for perf top to change the sort order

   - A set of fixes all over the place

   - Various build system related improvements

   - Updates of the X86 pmu event JSON data

   - Documentation updates"

* tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits)
  perf python: Fix clang detection to strip out options passed in $CC
  perf tools: Support Python 3.8+ in Makefile
  perf script: Fix invalid read of directory entry after closedir()
  perf script report: Fix SEGFAULT when using DWARF mode
  perf script: add -S/--symbols documentation
  perf pmu-events x86: Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
  perf events parser: Add missing Intel CPU events to parser
  perf script: Allow --symbol to accept hexadecimal addresses
  perf report/top TUI: Fix title line formatting
  perf top: Support hotkey to change sort order
  perf top: Support --group-sort-idx to change the sort order
  perf symbols: Fix arm64 gap between kernel start and module end
  perf build-test: Honour JOBS to override detection of number of cores
  perf script: Add --show-cgroup-events option
  perf top: Add --all-cgroups option
  perf record: Add --all-cgroups option
  perf record: Support synthesizing cgroup events
  perf report: Add 'cgroup' sort key
  perf cgroup: Maintain cgroup hierarchy
  perf tools: Basic support for CGROUP event
  ...

1 files changed, 41 insertions, 2 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index ab0cfd790ad0..f14cc728c358 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -12,6 +12,7 @@
 #include "cacheline.h"
 #include "comm.h"
 #include "map.h"
+#include "maps.h"
 #include "symbol.h"
 #include "map_symbol.h"
 #include "branch.h"
@@ -25,6 +26,8 @@
 #include "mem-events.h"
 #include "annotate.h"
 #include "time-utils.h"
+#include "cgroup.h"
+#include "machine.h"
 #include <linux/kernel.h>
 #include <linux/string.h>
 
@@ -634,6 +637,39 @@ struct sort_entry sort_cgroup_id = {
 	.se_width_idx	= HISTC_CGROUP_ID,
 };
 
+/* --sort cgroup */
+
+static int64_t
+sort__cgroup_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+	return right->cgroup - left->cgroup;
+}
+
+static int hist_entry__cgroup_snprintf(struct hist_entry *he,
+				       char *bf, size_t size,
+				       unsigned int width __maybe_unused)
+{
+	const char *cgrp_name = "N/A";
+
+	if (he->cgroup) {
+		struct cgroup *cgrp = cgroup__find(he->ms.maps->machine->env,
+						   he->cgroup);
+		if (cgrp != NULL)
+			cgrp_name = cgrp->name;
+		else
+			cgrp_name = "unknown";
+	}
+
+	return repsep_snprintf(bf, size, "%s", cgrp_name);
+}
+
+struct sort_entry sort_cgroup = {
+	.se_header      = "Cgroup",
+	.se_cmp	        = sort__cgroup_cmp,
+	.se_snprintf    = hist_entry__cgroup_snprintf,
+	.se_width_idx	= HISTC_CGROUP,
+};
+
 /* --sort socket */
 
 static int64_t
@@ -869,7 +905,8 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
 	if (he->branch_info) {
 		struct addr_map_symbol *from = &he->branch_info->from;
 
-		return _hist_entry__sym_snprintf(&from->ms, from->addr, he->level, bf, size, width);
+		return _hist_entry__sym_snprintf(&from->ms, from->al_addr,
+						 he->level, bf, size, width);
 	}
 
 	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
@@ -881,7 +918,8 @@ static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
 	if (he->branch_info) {
 		struct addr_map_symbol *to = &he->branch_info->to;
 
-		return _hist_entry__sym_snprintf(&to->ms, to->addr, he->level, bf, size, width);
+		return _hist_entry__sym_snprintf(&to->ms, to->al_addr,
+						 he->level, bf, size, width);
 	}
 
 	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
@@ -1658,6 +1696,7 @@ static struct sort_dimension common_sort_dimensions[] = {
 	DIM(SORT_TRACE, "trace", sort_trace),
 	DIM(SORT_SYM_SIZE, "symbol_size", sort_sym_size),
 	DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size),
+	DIM(SORT_CGROUP, "cgroup", sort_cgroup),
 	DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id),
 	DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null),
 	DIM(SORT_TIME, "time", sort_time),